Two officers killed in 'ambush' shootings in Iowa

A man suspected of killing two police officers in Iowa has been arrested. Forty-six year old Scott Michael Greene was was captured less than two hours after police released his name.

Authorities said they found the first slain officer's body at about 1 am local time at the suburbs of Des Moines, and the second about 20 minutes later nearly 3 kilometers away. Investigation is still ongoing, and what provoked Wednesday's attacks remains unclear.